public class Homework8{
	public static void main(String [] args ){
		PassObject d = new PassObject();
		Circle c = new Circle();
		d.printArea(5,c);
	}
}

class Circle{
	double radius;
	public double  findArea(){
		return 3.14 * radius * radius;
	}
	public void  set(double radius){
		this.radius = radius;
	}

}

class PassObject{
	public void printArea(int times,Circle c){
		System.out.println("radius" + "\t" + "area" );
		for(int i = 0 ;i <= times ; i++){
			c.set(i);
			System.out.println(i + "\t" + c.findArea());
		}
	}
}

class 